Pump.



No. 785,912. PATENTED MAR. 28, 1905. J. W. PARK.

PUMP.

APPLICATION FILED AUG. 26, 1904.

2 snnnrrs-snm 1.

Witnesses:

PATENTED MAR. 28, 1905.

J. w. PARK.

PUMP.

APPLICATION FILED AUG. 25, 1904.

2 SHEETS-SHEET 2.

UNITED STATES Patented March 28, 1905.

JOHN IV. PARK, OF KENDALLVILLE, INDIANA.

PUMP.

SPECIFICATION forming part of Letters Patent No. 785,912, dated March 28, 1905.

Application filed August 25, 1904. Serial No. 222,123.

To all 1072,0777, it may concern:

Be it known that I, JOHN W. PARK, a citizen of the United States, and a resident of the city of Kendallville, Noble county, Indiana, have invented certain new and useful Improvements in Pumps, of which the following is a specification.

This invention relates to improvements in pumps. 7

The main object of this invention is to provide an improved pump in Which the valve parts may be readily assembled and also easily and quickly disassembled for purposes of repairing, cleaning, and the like.

Further objects and objects relating to structural details will definitely appear from the detailed description to follow.

I accomplish the objects of my invention by the devices and means described in the following specification.

The invention is clearly defined and pointed out in the claims.

A structure embodying the features of my invention is clearly illustrated in the accompanying drawings, forming a part of this specification, in which- Figure 1 is a detail vertical sectional view through a structure embodying the features of my invention, taken on a line corresponding to line 1 1 of Fig. 6, the puppet B of the piston or plunger and D of the check-valve and the trip 6 for the puppet B being shown in full lines. Fig. 2 is a detail vertical sectional view, the plunger and check-valve casing being shown in full lines in their engaged position for removing the check-valve from the cylinder, the puppets B and D having been removed. Fig. 3 is a transverse sectional view taken on a line corresponding to line 3 3 of Fig. 2. Fig. 4: is a detail vertical sectional view showing the grappling device for removing the puppet D in engagement therewitluthe check-valve casing and parts of the grappling device being shown in full lines. Fig. 5 is an inverted plan view of grappling device F for the check-valve casing, which may be used instead of the plunger for removing the same. Fig. 6 is an inverted plan view of the check-valve. Fig. 7 is a longitudinal sectional view through a portion of the plunger, showing the means of tripping the valves thereof.

In the drawings the sectional views are taken looking in the direction of the little arrows at the ends of the section-lines, and similar letters of reference refer to similar parts throughout the several views.

Referring to the drawings, A represents a pump-cylinder. This cylinder may be of any desired construction or may be the well-pipe itself, as is the common practice in tubular well-pumps.

a is the pump-rod, and B is the plunger. A puppet-valve B is provided for the plunger. Within the piston or plunger below the valve B is a transversely-arranged rod 7). In order to facilitate the removal of the plunger from the cylinder, I provide a trip for tripping the puppet B and to hold it in its open position. This trip has a pair of upwardly-projecting corrugated spring+arms which engage the transverse rod 7) in the plunger. These spring-arms gripping upon the rod hold the trip in its adjusted position. The lower end of the trip projects below the plunger when it is out of engagement with the puppet. W hen it is desired to remove the plunger from the cylinder, it is forced downwardly until the trip 6 is engaged by the knob-like projection D of the puppet D of the check and forced upwardly thereby. This lifts the puppet from its seat, so that the plunger can be withdrawn without any suction. It also allows the water above the plunger to pass freely therethrough as the plunger is elevated, thus avoiding the necessity of lifting the column of water in withdrawing the plunger. The plunger B is also provided with downwardly-projecting arms B, having outwardlyprojecting engaging lugs thereon.

The check-valve casing O is retained in the cylinder in the usual or any desired manner. The check-valve casing is provided with upwardly-projecting arms 0, having inwardlyengaging arms thereon, which are adapted to be engaged by the arms B on the plunger.

In removing the check-valve casing the plunger B is dropped down upon the same and rotated slightly until the arms B and C engage, when the check-valve casing may be withdrawn with the plunger. (See Figs. 2 and 3.) A stop, as c, is provided, so that a twisting movement may be imparted to the check-valve casing in removing it from its seat. Within the check-valve casing is a transverse]y-arranged ring 0, through which the downwardly-extending spring-arms (Z are arranged when the puppet-valve is in position. The spring-arms (Z have cam-like projections (Z at their lower end, which retain the puppet normally in position; but at the same time the spring-arms (Z yield to permit it to be withdrawn.

In removing the check-valve from the cylinder I first remove the puppet I). For this purpose I provide a grappling device E, hav' ing downwardly-projecting spring-arms e thereon, with hook-like projections on their lower ends, adapted to engage the knob-like projection D of the valve. After the plunger is removed the grappling device E is inserted, and by pushing downwardly the spring-arms a snap over the knob D, so that the puppet can be readily withdrawn. The plunger is then inserted and engaged with the check-valve and it is withd "awn, or, if desired, the grappling device F, having luglike projections f corresponding to the lugs on the arms of the plunger, may be used. This grappling device is secured to a suitable rod, as F. The lower end of the'grappling device F is threaded to receive the grappling device E for the puppet D.

With the parts constructed and assembled as I have described they may be readily assembled or disassembled for purposes of repair, cleaning, or the like. They are also very economical to produce and durable in use.

I have illustrated and described my im proved pump in the form preferred by me on account of its structural simplicity and economy. I am, however, aware that it may be varied considerably in structural details without departing from my invention.

' Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. The combination with a cylinder of a check-valve casing having a ring transversely arranged therein; a puppet-valve therefor having depending spring-arms adapted to eX- tend through said ring, said arms having projecting portions at their lower ends whereby said puppet is held normally in position; and a grappling device for said puppet and casing, coacting for the purpose specified.

2. In a pump, the combination of a piston or plunger; a puppet-valve for said plunger; a rod transversely arranged in said plunger; and a trip for said valve having upwardlyprojeeting corrugated spring-arms engaging said rod, for the purpose specified.

In witness whereof I have hereunto set my hand and seal in the presence of two witnesses.

JOHN N. PARK. [L. s.]

l/Vitnesses:

IN. E. TEMPLETON, R. M. WILsoN. 

